blob: e10de155ff24bc864194bab266b5389916cf6e4d [file] [log] [blame]
# Copyright 2015 The RE2 Authors. All Rights Reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# Old enough to support Ubuntu Xenial.
cmake_minimum_required(VERSION 3.5.1)
project(RE2 CXX)
include(CMakePackageConfigHelpers)
include(CTest)
include(GNUInstallDirs)
option(BUILD_SHARED_LIBS "build shared libraries" OFF)
option(USEPCRE "use PCRE in tests and benchmarks" OFF)
# CMake seems to have no way to enable/disable testing per subproject,
# so we provide an option similar to BUILD_TESTING, but just for RE2.
option(RE2_BUILD_TESTING "enable testing for RE2" ON)
# ABI version
# http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html
set(SONAME 9)
set(EXTRA_TARGET_LINK_LIBRARIES)
if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
if(MSVC_VERSION LESS 1900)
message(FATAL_ERROR "you need Visual Studio 2015 or later")
endif()
if(BUILD_SHARED_LIBS)
# See http://www.kitware.com/blog/home/post/939 for details.
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
endif()
# CMake defaults to /W3, but some users like /W4 (or /Wall) and /WX,
# so we disable various warnings that aren't particularly helpful.
add_compile_options(/wd4100 /wd4201 /wd4456 /wd4457 /wd4702 /wd4815)
# Without a byte order mark (BOM), Visual Studio assumes that the source
# file is encoded using the current user code page, so we specify UTF-8.
add_compile_options(/utf-8)
endif()
if(WIN32)
add_definitions(-DUNICODE -D_UNICODE -DSTRICT -DNOMINMAX)
add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS)
elseif(UNIX)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
endif()
if(USEPCRE)
add_definitions(-DUSEPCRE)
list(APPEND EXTRA_TARGET_LINK_LIBRARIES pcre)
endif()
set(RE2_SOURCES
re2/bitstate.cc
re2/compile.cc
re2/dfa.cc
re2/filtered_re2.cc
re2/mimics_pcre.cc
re2/nfa.cc
re2/onepass.cc
re2/parse.cc
re2/perl_groups.cc
re2/prefilter.cc
re2/prefilter_tree.cc
re2/prog.cc
re2/re2.cc
re2/regexp.cc
re2/set.cc
re2/simplify.cc
re2/stringpiece.cc
re2/tostring.cc
re2/unicode_casefold.cc
re2/unicode_groups.cc
util/rune.cc
util/strutil.cc
)
add_library(re2 ${RE2_SOURCES})
target_include_directories(re2 PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
set_target_properties(re2 PROPERTIES SOVERSION ${SONAME} VERSION ${SONAME}.0.0)
add_library(re2::re2 ALIAS re2)
if(UNIX)
target_link_libraries(re2 PUBLIC Threads::Threads)
endif()
if(RE2_BUILD_TESTING)
set(TESTING_SOURCES
re2/testing/backtrack.cc
re2/testing/dump.cc
re2/testing/exhaustive_tester.cc
re2/testing/null_walker.cc
re2/testing/regexp_generator.cc
re2/testing/string_generator.cc
re2/testing/tester.cc
util/pcre.cc
)
add_library(testing STATIC ${TESTING_SOURCES})
target_link_libraries(testing PUBLIC re2)
set(TEST_TARGETS
charclass_test
compile_test
filtered_re2_test
mimics_pcre_test
parse_test
possible_match_test
re2_test
re2_arg_test
regexp_test
required_prefix_test
search_test
set_test
simplify_test
string_generator_test
dfa_test
exhaustive1_test
exhaustive2_test
exhaustive3_test
exhaustive_test
random_test
)
set(BENCHMARK_TARGETS
regexp_benchmark
)
foreach(target ${TEST_TARGETS})
add_executable(${target} re2/testing/${target}.cc util/test.cc)
target_link_libraries(${target} testing ${EXTRA_TARGET_LINK_LIBRARIES})
add_test(NAME ${target} COMMAND ${target})
endforeach()
foreach(target ${BENCHMARK_TARGETS})
add_executable(${target} re2/testing/${target}.cc util/benchmark.cc)
target_link_libraries(${target} testing ${EXTRA_TARGET_LINK_LIBRARIES})
endforeach()
endif()
set(RE2_HEADERS
re2/filtered_re2.h
re2/re2.h
re2/set.h
re2/stringpiece.h
)
install(FILES ${RE2_HEADERS}
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/re2)
install(TARGETS re2 EXPORT re2Targets
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(EXPORT re2Targets
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/re2 NAMESPACE re2::)
configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/re2Config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/re2Config.cmake
INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/re2
)
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/re2ConfigVersion.cmake
VERSION ${SONAME}.0.0
COMPATIBILITY SameMajorVersion
)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/re2Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/re2ConfigVersion.cmake
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/re2)